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參數(shù)資料
| 型號(hào)： | LM8207MTX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | TFT 18 Gamma Buffer + VCOM Driver + Voltage Reference |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO48 |
| 封裝： | TSSOP-48 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大?。?/td> | 1393K |
| 代理商： | LM8207MTX |
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LM8207
TFT 18 Gamma Buffer + V
COM
Driver + Voltage Reference
General Description
The LM8207 is a combination of 18-channel gamma buffers,
a V
driver and a temperature compensated internal volt-
age reference. It is designed for buffering voltage levels and
driving high capacitive loads in large TFT panels. The
gamma buffers are individually optimized to the input/output
requirements of their respective gamma position to cover the
whole voltage range from rail to rail. Any desired gamma
correction curve can be obtained by combining the gamma
buffers with external resistors. The V
COM
driver has a high
output current capability and is stable with large capacitive
loads, typical for large panel sizes. This will result in a fast
recovery time for large voltage variations at the output. The
internal band gap reference can be used to form a highly
stable voltage to generate the gamma correction voltages. In
combination with the internal amplifier, the reference voltage
can be programmed to voltages up to the positive rail. The
LM8207 is offered in a 48-pin TSSOP package.
Features
n
Gamma buffers 1-2 swing to V
DD
n
Gamma buffers 17-18 swing to V
SS
n
Large output current V
COM
driver (I
SC
= 300 mA)
n
Stable (1%) internal 1.295V reference, to improve
picture quality and reduce variations
n
48-pin TSSOP package
Applications
n
TFT gamma curve connection and V
COM
voltage
buffering
TFT Panel Block Diagram
20137926
September 2005
L
C
D
2005 National Semiconductor Corporation
DS201379
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM8207MTX/NOPB | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LM825 | 制造商:Pulse Electronics Corporation 功能描述: |
| LM8261 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:RRIO, High Output Current & Unlimited Cap Load Op Amp in SOT23-5 |
| LM8261M5 | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LM8261M5 | 制造商:Texas Instruments 功能描述:OP AMP HIGH O/P RRI/O SMD 8261 |
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